boards/arm/nucleo_f746zg/nucleo_f746zg_defconfig

# SPDX-License-Identifier: Apache-2.0

CONFIG_ARM=y
CONFIG_BOARD_NUCLEO_F746ZG=y
CONFIG_SOC_SERIES_STM32F7X=y
CONFIG_SOC_STM32F746XG=y
# 72MHz system clock (CubeMX Defaults)
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000

# Enable MPU
CONFIG_ARM_MPU=y

# Enable UART
CONFIG_SERIAL=y

# Console
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y

# Enable Pinmux
CONFIG_PINMUX=y

# Enable GPIO
CONFIG_GPIO=y

# Clock Configuration
CONFIG_CLOCK_CONTROL=y

# STLINK provides 8MHz clock input
CONFIG_CLOCK_STM32_HSE_CLOCK=8000000
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# Use HSE as PLL input
CONFIG_CLOCK_STM32_PLL_SRC_HSE=y
# Nucleo-144 boards do not have an external oscillator, so just use
# the 8MHz clock signal coming from integrated STLink
CONFIG_CLOCK_STM32_HSE_BYPASS=y

# Produce 72MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=4
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=72
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=3
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=2
CONFIG_CLOCK_STM32_APB2_PRESCALER=1